Exam CDP-3002 Topic 1 Question 10 Discussion

Actual exam question for Cloudera's CDP-3002 exam
Question #: 10
Topic #: 1
You are processing a large dataset using Spark and need to ensure that the results are available for subsequent stages without recomputing. Which approach achieves this efficiently?

Suggested Answer: B Vote an answer

While other options might work, rdd.persist() is the recommended approach for Spark's distributed persistence. It allows you to specify the storage level (e.g., MEMORY_ONLY, MEMORY_AND_DISK) for intermediate RDDs, ensuring they are available for future stages without recomputing, improving efficiency and performance.

by Donna at Jun 24, 2025, 09:37 AM

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